STCC05-B

11/13

pins: the ZVS signal is then made of high level pulses synchronized with the zero crossing. However, the

inverted with low level pulses.

Figure 18: ZVS circuit operation with an opto-coupler

Figure 19: Ordering Information Scheme

I

OPTO

V

AC

V

ZVS

V

SYN

I

OPTO

V

AC

V

ZVS

V

SYN

V

SYN

V

AC

V

DD

SYN

ZVS

V

DD

S

1

S

2

Q

20µs FILTER

COM

100 k

Ω

25 k

Ω

V

ZVS

R

UP

10 k

Ω

V

SYN

V

AC

V

DD

SYN

ZVS

V

DD

S

1

S

2

Q

20µs FILTER

COM

100 k

Ω

25 k

Ω

V

ZVS

STCC

X

-

B

Z

Circuit configuration and

related application

Typical power supply voltage

Package

05 = Air conditioner control

B = 12V

D4 = DIP-20